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3 years ago

HELP!!!!

1 answer:

Ann [662]3 years ago

7 0

Answer:

13/40

Step-by-step explanation:

Since fraction wont come clear in Brain.ly I am attaching a picture typed in word

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belka [17]

$\dfrac{4}{2}\cdot\dfrac{r^3}{r^5}=2\cdot\dfrac{1}{r^2}\\\\=\dfrac{2}{r^2}$

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3 years ago

jolli1 [7]

Answer:

-2/3

Step-by-step explanation:

multiply each side by u +1 to get it out of the denominator

-3(u + 1) = -1

now use distributive property

-3u - 3 = -1

add the 3 to move it over

-3u = 2

now divide by -3

u = -2/3

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3 years ago

cricket20 [7]

$4=\left(\frac{1}{2}\right)^x\\
2^2=2^{-x}\\
x=-2
$

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3 years ago

jeyben [28]

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3 years ago